Daniel K Inouye International in December 2025

78.1%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In December 2025, reporting carriers scheduled 5,054 domestic departures from Daniel K Inouye International (HNL). 78.1% left less than 15 minutes late and 75.5% reached their destination on time; 0.7% were cancelled.

Nationally that month, 72.0% of flights departed on time and 71.9% arrived on time, so HNL departures were 6.1 points above the national departure figure.

A year earlier, in December 2024, the airport had 5,276 departures with 86.0% leaving on time: a change of −7.9 points, with flights down 4%.

Flights arriving at HNL that month were on time 74.8% of the time (5,055 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 58%, late-arriving aircraft 34% and national aviation system 6%.

On time 75.5%
Arrived 15+ minutes late 23.7%
Cancelled 0.7%
Diverted 0.1%

Every scheduled departure from HNL in December 2025, judged by arrival at the destination.

December 2025 against a year earlier, the airport's year and the nation

Measure	Dec 2025	Dec 2024	HNL, 12 months to Jul 2026	All reported flights, Dec 2025
Departed on time	78.1%	86.0%	83.5%	72.0%
Arrived on time	75.5%	85.4%	82.0%	71.9%
Cancelled	0.7%	0.5%	0.9%	1.5%
Average departure delay (late minutes only)	14.8 min	8.3 min	10.4 min	21.2 min
Scheduled departures a day	169	176	159	19,410
Scheduled departures	5,054	5,276	58,088	582,304

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
HA Hawaiian Airlines	2,781	55%	70.3%	16.4 min	0.6%
WN Southwest Airlines	1,033	20%	86.1%	0.3 min	0.3%
UA United Airlines	469	9%	85.9%	-1.8 min	1.1%
DL Delta Air Lines	343	7%	78.7%	5.0 min	1.2%
AA American Airlines	240	5%	74.6%	12.0 min	0.8%
AS Alaska Airlines	188	4%	62.8%	17.1 min	1.1%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
HNL–OGG	Honolulu to Kahului	870	78.9%	7.1 min	0.2%
HNL–LIH	Honolulu to Lihue	657	78.7%	8.6 min	0.2%
HNL–KOA	Honolulu to Kona	607	80.9%	7.4 min	0.2%
HNL–ITO	Honolulu to Hilo	540	78.7%	6.7 min	0.0%
HNL–LAX	Honolulu to Los Angeles	490	75.9%	12.7 min	1.6%
HNL–SEA	Honolulu to Seattle	255	70.2%	32.2 min	0.4%
HNL–SFO	Honolulu to San Francisco	222	79.7%	-1.4 min	3.2%
HNL–LAS	Honolulu to Las Vegas	183	69.9%	9.9 min	0.0%
HNL–SAN	Honolulu to San Diego	155	56.1%	25.3 min	1.9%
HNL–PHX	Honolulu to Phoenix	107	72.0%	3.2 min	0.0%
HNL–SLC	Honolulu to Salt Lake City	89	75.3%	16.7 min	0.0%
HNL–PDX	Honolulu to Portland	76	69.7%	33.0 min	2.6%

By scheduled departure hour

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), December 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2025	Minutes
Air carrier	58.0%	33.3%	40,058
Late-arriving aircraft	34.2%	41.1%	23,594
National Aviation System	6.0%	19.1%	4,111
Extreme weather	1.6%	6.4%	1,118
Security	0.2%	0.2%	152

69,033 delay minutes on 1,199 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left HNL on time in December 2025?

78.1% of 5,054 scheduled domestic departures left less than 15 minutes late, and 75.5% reached their destination on time. The national figures that month were 72.0% and 71.9%.

How does that compare with a year earlier?

In December 2024, 86.0% of 5,276 departures left on time and 0.5% were cancelled, against 78.1% and 0.7% in December 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for HNL · methodology · corrections.